.head{
    box-shadow: 0 0 20px .5px gray;
}
.position {
    overflow: hidden;
    margin-top: 49px;
}
.position_top{
    overflow: hidden;
}
.position_top_lf {
    /* display: block !important; */
    font-size: 14px;
    float: left;
}
.position_top_lf>div {
    display: inline-block;
    color: rgb(102, 138, 202);
}
.position_porduce{
    overflow: hidden;
}
.position_porduce_fl{
    float: left;
}
.position_porduce_fl li{
    width: 370px;
    height: 140px;
    border-bottom: 1px solid rgba(128, 128, 128, 0.171);
    margin-top: 20px;
}
.position_porduce_fl li i{
    color: #6b6b6b;
    font-size: 18px;
}
.position_porduce_fl li p{
    font-size: 10px;
    color: #989898;
}
.position_porduce_fl li span{
    display: block;
    margin-top: 18px;
    font-size: 14px;
    color: #989898;
}
.position_porduce_fr{
    width: 750px;
    float: right;
}
.position_porduce_fr img{
    margin-top: 20px;
}
.footer{
    margin-top: 200px;
}